
Lockwood 100x75x3.0 Severe Duty Hinges – Satin Stainless Steel (Box of 36)
The Lockwood 100 Series Severe Duty Hinges are engineered for high-load applications where durability and strength are critical.
With a 3.0mm thick hinge leaf, these hinges provide enhanced strength compared to standard 2.5mm hinges, making them ideal for heavy doors and demanding environments.
Manufactured in satin stainless steel, they offer long-term corrosion resistance and reliable performance in both internal and external applications.
This product is classified as a non-returnable item. Please confirm all details before ordering.
Key Features
- Severe duty hinge construction for heavy doors
- 3.0mm thick leaves for increased strength
- 100 Series architectural hinge quality
- Satin stainless steel finish
- Suitable for internal and external applications
- Supplied in box of 36 hinges
Suitable Uses
- Heavy commercial doors
- High traffic entry points
- Industrial applications
- External doors exposed to weather
- Situations requiring increased hinge durability
Specifications
Frequently Asked Questions
What makes this a severe duty hinge?
The 3.0mm thickness provides increased strength for heavy doors compared to standard hinges.
Can these be used externally?
Yes, the stainless steel construction makes them suitable for outdoor use.
Are these suitable for heavy doors?
Yes, these are specifically designed for high weight and high traffic applications.
Additional Information
- Severe duty hinges are commonly specified where door weight exceeds standard hinge capacity.
- Increasing hinge thickness improves durability and lifespan in high-use environments.
- Used in commercial projects where reliability is critical.
Covered by a 25-year mechanical warranty.
Lockwood General Hardware Catalogue

Lockwood General Hardware Catalogue
Lockwood Warranty
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary by product type, with separate cover for mechanical components, electrical and electronic parts, keys, and finishes.
The summary below sets out the standard warranty structure. All warranty claims are handled by Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries. Full terms and exclusions are set out in the official Lockwood warranty document linked at the base of this page.
Warranty Summary
Finish Coverage Guide
- Everbrass finishes: up to 25 years against corrosion, tarnishing and discolouration.
- Stainless steel, polished stainless steel, chrome plating and anodised finishes: typically up to 10 years.
- PVD and VIVID finishes: typically up to 10 years.
- Symmetry range finishes: typically up to 5 years.
- Decorative finishes (Antique Copper, Architectural Bronze, Oil Rubbed Bronze, Aged Brass, Polished Brass, Satin Brass and related variants): typically up to 2 years against corrosion.
- Unlacquered brass finishes naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where the required cleaning and maintenance have not been followed.
How to Make a Claim
- Contact Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries with your proof of original purchase.
- Keep the product securely packed and clearly identified, ready for assessment.
- Where a claim is escalated to the manufacturer, ASSA ABLOY may issue a case number before goods are returned.
- ASSA ABLOY assesses the claim and determines repair, replacement with the same or closest equivalent product, or refund of the purchase price.
Exclusions
- Normal wear and tear.
- Misuse, abuse, accidental damage or use outside published specifications.
- Improper maintenance or failure to follow care instructions.
- Unauthorised modification, repair or use of non-genuine parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or pollution.
- Removal, refitment or associated labour charges.
- Products not originally sold in Australia through authorised channels.
These manufacturer warranties apply in addition to your rights under the Australian Consumer Law. Our goods come with guarantees that cannot be excluded under the ACL. You are entitled to a replacement or refund for a major failure and to compensation for any other reasonably foreseeable loss or damage. Where a failure does not amount to a major failure, you are entitled to have the goods repaired or replaced.